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Cases Details
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Company cases about LoRaWAN Water Quality EC/DO Sensor in Italian Small-Scale Sewage Treatment Plant

LoRaWAN Water Quality EC/DO Sensor in Italian Small-Scale Sewage Treatment Plant

2026-03-11

Project Background

A small-scale sewage treatment plant in northern Italy, mainly responsible for treating domestic sewage in 2 nearby communities (serving 5,000 residents), needed real-time monitoring of EC (electrical conductivity) and DO (dissolved oxygen) in the treated water. The plant had limited space, partial areas without stable grid power, and required the monitoring system to be easy to deploy and integrate with the existing IoT platform to ensure the treated water meets local emission standards.

Product Configuration & Implementation

The customer selected ZONEWU LoRaWAN Water Quality EC/DO Integrated Sensor, which integrates EC and DO dual-parameter detection, avoiding the need for separate deployment of two sensors and saving installation space. According to the on-site environment, we adopted two power supply modes: 12-24V DC power supply for the main treatment area (with stable grid power) and battery power supply for the secondary sedimentation tank area (no grid power), ensuring stable operation without interruption.
The sensor fully supports the standard LoRaWAN protocol, with a transmission distance of up to 2km in urban areas (overcoming the obstacle of plant buildings), and 8 sensors were deployed at key nodes (inlet, treatment process, outlet). The sensors automatically collect EC and DO data every 5 minutes, with EC measurement accuracy of ±2% FS and DO measurement accuracy of ±0.1mg/L, fully meeting the Italian sewage discharge monitoring standards. All data is transmitted to the cloud platform through the LoRaWAN gateway, realizing real-time viewing and data storage.

Project Effect

After 8 months of stable operation, the ZONEWU EC/DO sensor solved the customer’s pain points of difficult deployment and inaccurate manual monitoring. The real-time monitoring of EC and DO parameters ensured that the treated water meets the local emission standards, reducing the risk of environmental penalties.
The multi-power supply mode perfectly adapted to the on-site power environment, and the wireless deployment reduced the cost of wiring by 70%. The cloud platform’s data storage and alarm function reduced the workload of on-site personnel by 50%, and the sensor’s stability and accuracy were highly recognized by the customer. The plant has expanded the cooperation scope and purchased additional ZONEWU LoRaWAN sensors for full-process water quality monitoring.
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